Would it be possible to port it to run on the rp2350?
Some parts of it, very likely. The shell is just linenoise with some glue code. How are things with ELF loading on rp2350, I did not check. May be possible, the question is, how much effort. In ESP-IDF that is a standard component now.
rp2350 supports freertos, so a similar port should be fairly trivial.
The io DMA code is a little special on the Pico. Very capable little chip. =3
Some parts of it, very likely. The shell is just linenoise with some glue code. How are things with ELF loading on rp2350, I did not check. May be possible, the question is, how much effort. In ESP-IDF that is a standard component now.